Check-controlled li quid-deliverer



' (No Model.) 5 She tttttttt I.

H. D. OOLMAN CHECK c LLLLLLLLL LIQ IIIIIIII BEER.

No, 581,149. Patented Apr. 20, 1897.

(No Model.) 5 Sheets-Sheet 2. Y

H. D. COLMANV v 4 CHECK CONTROLLED LIQUID DELIVERER.

No. 581,149. I Patented Apr. 204, 1897.

- (No Model. 5 Sheets-Sheet 4.

' H. D. GOLMAN.

CHECK CONTROLLED LIQUID DELIVERER. No. 581,149. Patented Apr. 20, 1897.

(No Model.) 5 Sheets-Sheet 5.

H. D. GOLMAN. CHECK CONTROLLED LIQUID DELIVERER- No. 581,149. PatentedApr. 20, 1897.

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E z I 12L 1 d E f? 7i i THE NORRIS PETERS co. PHOTO-LITHQ. WASNINOTON.0.1:.

UNirnn STATES PATENT @rmcn.

'HOVVARD D. COLMAN, OF ROCKFORD, ILLINOIS.

CHECK-CONTROLLED LIQUID-DELIVERER.

SPECIFICATION forming part of Letters Patent No. 581,149, dated April20, 1897. Application filed May13, 1896. Serial No. 591,444. (No model.)

To all whom it may concern- Be it known that I, HOWARD D. OoLMAN, acitizen of the United States, residing at Rockford, in the county ofWinnebago and State of Illinois, have invented certain new and usefulImprovements in Check Controlled Liquid-Deliverers for DeliveringVariable Quantities of Liquid, of which the following is aspecification.

The object of this invention is to produce an apparatus for deliveringone or more delivery units of liquid, which delivery unit quantity issusceptible of an adjustable alteration and wherein the number of unitdeliveries is controlled by the peculiar conformation of the insertedcheck. The apparatus thus outlined is adapted to use in creameriesemploying separators, where a certain proportion of the milk received(about eighty-five per cent. thereof) is redelivered as skim-milk to thepatron of the creamery after the butterfats have been extracted from thenew milk. This object I attain by employing a common pump, each strokeof whichis capable of delivering a certain quantity of liquid, whichquantity is variably adjustable by means of a movable stop on thepump-rod limiting the length of the stroke, together with a countermechanism for determining the number of strokes that may be taken, whichlatter mechanism is controlled by the peculiar conformation of a checkintroduced into the mechanism through the proper channel. While,

. however, it is especially designed in the form shown for this purpose,it is quite plain that the principle of this invention is broad enoughto cover mechanism for permitting a certain predetermined repetition ofa given operation to produce any one of many different results.

In the accompanying drawings, which form a part of this specification,Figure l is a perspective view of my invention. Fig. 2 is an elevationofthe counter mechanism. Fig. 3 is an elevation of the countermechanism, showing the pump-rod and the surrounding friction-sleeve.Fig. 4 is a plan view of the counter, showing a check in the position ofoperative engagement with the mechanism. Fig. 5 is an elevation of thecounter mechanism with the check removed. Fig. 6 is a View, partly insection, somewhat similar to Fig. 5, showing the pusher-rod withdrawn topermit the checks in the check-chute to descend, the lower check thereinhaving assumed a position to engage the teeth on the hub of theratchet-wheel when the pusherrod resumes its forward position. Fig. 7 isan elevation, partly in section, of the same parts shown in thepreceding figure. The pusher-rod, however, is represented in its forwardposition, pressing the check into contact with the teeth on the hub ofthe ratchetwheel and into operative engagement with the mechanism. Fig 8is an elevation similar to the foregoing figure, but representing thepusher-rod withdrawn to show the position assumed by the check when thepressure of that rod is removed at any time before the check hascompleted its work and been rotated to the position in which itmay fallclear of the mechanism. Fig. 9 is an elevation of the counter mechanism,showing the check freed from the engaging parts and falling from itsplace in the machine, the pusher-rod being withdrawn nearly to thatpoint at which the next succeeding check will drop down the chute andassume a position to be engaged by the operating parts. Fig. lOis a planview of the counter mechanism, showing the various parts in the samerelative positions as they are represented to occupy in Fig. 9. Fig. 11is a rear view of the check. Fig. 12 is a face view of the check. Fig.13 is a transverse section through the pump-rod and the surroundingfriction-sleeve.

Like letters of reference indicate correspondin g parts throughout theseveral views.

A is a pump of common construction.

A is the pump-base.

A is the pump-barrel.

A is the pump-spout.

A is the pump-spout cover.

A is the pump-rod.

A is the pump lever or handle, having the usual connections.

A is a collar on the pump-rod capable of a sliding movement thereon.

A is a set-screw extending through the collar for engaging the pump-rodand fixing the collar at any desired point in its length. By means ofthis adjustably-movable collar the length of the stroke of the pump-rodand consequently the quantity of liquid delivered at each stroke of thepump may be changed at the pleasure of the operator.

A are notches cut at regular intervals into one sid of the pump-rod,which notches are t admit a detent for locking the operation of thepump, to be more fully described hereinafter.

B is a box for inelosing the counter mechanism and is mounted on thepump-cover A.

B is a hinged door for the box.

B is a check-aperture in the box I}, through which aperture the check ispassed by the operator when desiring to use the pump.

The pump-rod A extends through the box B into the pump-barrel, where itis provided with the usual pump-valve.

C is a supporting-standard within the box B for the counter mechanism.Ois the base thereof, having the two openings C for securing it to thebottom of the box.

C is an opening through the base for the passage of the pump-rod A.

C C are arms extending from the standard for supporting parts of thecounter mechanism within the box B.

C is a boss on the supporting standard.

0 is an opening in the boss in vertical alinement with the opening 0 forthe passage of the pump-rod through both openings inter mediate itsends.

G is a narrow opening through the side of the boss for admitting thedetent (to be later described) for engaging the notches A in thepump-rod C is a boss at the forward extremity of the arm C and (J is anopening therein providing a bearing for the spindle E of theratchetwheel E, to be later described.

C is an opening through the arm U in horizontal alinement with theopening 0 the former opening being for the passage of the pusher-rod II,to be hereinafter described.

C is a supplemental right-angled arm extending from the side of the armC C is an opening through the transverse portion of the arm Oinhorizontal alinement with both openings C and C.

D is a two-part detent-lever for engaging the notches A of the pump-rodA and preventing the operation of the pump A.

D is the rear portion of the lever D and lies in the opening 0 in theboss C.

D is the bifurcated forward end of the lever D.

D is a narrow transverse projection extending inward from one of thebifurcations of the forward section D of the lever D.

D is a projection similar to the-projection D extending inward from theother bifurcation of the forward portion D of the locking-lever oppositeto the projection D, a slight space remaining between the adjacent endsof the projections D D sufficient to permit the passage of the cheek.

D is the pivot, upon which the two parts of the lever D have a slightoscillatory motion independent of each other.

1) is a pin projecting from the portion 1) of the two-part lever forengaging the rear portion D forward of their common pivot D liy thisconnection between the two parts of the detent-lever the rear portion Dmay be oscillated in a measure independently of the forward portion.

D is a coiled spring extending between a fixed point on the standard andthe rear portion of the lever D for oscillating the rear portion D ofthe lever D toward an engagement with the notches A" of the pump-rod.

D is a like spring having a connection with the forward portion of thelever D and tends to oscillate the forward portion of the lever D topermit the engagement of the notches A of the pump-rod A by the rearportion of that lever.

E is a ratchet-wheel for counting the strokes of the pump-rod E are theratchet-teeth thereon.

E is a central integral hub extending from the face of theratchet-wheel.

E is an annular raised rim on the face of the hub.

E are radial teeth cut into the rim, equaling in number theratchet-teeth E.

E is a spindle rigidly set in the center of the ratchet-wheel E andextending only from the rear. This shaft is mounted in the opening 0 andforms in that bearing a rotative support for the ratchetwhcel.

E is a pin extending through an opening in shaft E for holding thatshaft in its bearing O F is a friction-sleeve for the pump-rod A,composed of two semitulmlar parts F and F having the integral flanges Fand F, respectively. This friction-sleeve grips the pumprod iirmlyenough to travel with that rod,but loosely enough for the rod to slidethrough it after the friction-sleeve has reached the limit of itsvertical movement in either direction.

F is a flange on the part F cut away from the ends to form atongueprojection.

F is a flange on the part F, provided with an elongated openingcorresponding with the tongue F and intended to receive the same,whereby the two semitubular sections are hinged together.

F are headed pins extending through openings in the flange F and rivetedsecurely in opposite openings in the flange F.

F are coiled springs surrounding the pins F for producing the necessaryfrictional contact between the friction-sleeve F and the pump-rod A.

F is a curved spring-pawl for engaging the ratchet-teeth E, affixcd atits lowerend to the friction-sleeve F. The vertical movement of thefriction-sleeve within the limits of the frame is just sufficient topermit the springpawl F to pass over and engage one additional tooth ofthe ratchet-wheel E on each upward IIO movement of the pump-rod and torotate the ratchet-wheel through the space of one of its teeth on eachdownward movement of the rod.

G is a curved spring-detent for preventing rotation of the ratchet-wheelexcept in one direction.

G is a screw for fixing the lower end of the detent to base 0.

H is a sliding pusher-rod lying in the alined openings 0 and 0 H is ahandle for the rod H.

H is an upright arm mounted on the rod H.

H is a set-screw for fixing the arm 11 in relation to the rod H.

H is a check-pin mounted in the upper end of the arm H and lyingparallel to the rod H.

H is a coiled sprin g surrounding the pusherrod H, tendingto force therod toward the hub E of the ratchet-wheel E.

I is an inclined upwardly-extending checkchute, the wall I of which isformed integrally with the arm 0 I is a groove in the Wall I, extendinglen gthwise thereof to receive projections on a check passing down thecheck-chute I.

I are two raised ribs at the sides of the wall I.

I and 1 secured to the wall 1, form a twopart brass lining for one sideof the checkchute. The small space 1 occurring between them overlies thegroove 1 I is a face-plate of brass, forming the remaining side of thecheck-chute, and is secured to the ribs 1 the thickness of the ribs 1being sufficient to leave aspace in the chute slightly Wider than thethickness of the check to permit the free passage of the lattertherethrough.

1 is an opening extending through the wall I, the lining 1 and theface-plate 1 The check-pin H passes through the opening.

I is an openingthrough the lining-plate I to permit the passage of thepusher-rod F.

I is a fixed stop-pin at the lower end of the channel 1 J is the check,which determines the action of the counter mechanism.

J is a circular opening at the center of the check.

J is a ring of short radial depressions in the face of the check,coinciding with the radial teeth E of the ratchet-Wheel and intended tobe engaged by said radial teeth.

J 3 are two lugs on the rear face of the check, both on one side of aline drawn through the center of the check and formed by punchingdepressions in the opposite face thereof; These lugs coincide with andliein the groove 1 when the check is within the check-chute I andinsures that the check will reach the mechanism in the proper positionto be acted upon, and also that the quantity delivered agrees with thedenomination of the particular check in control of the delivery mechanism. The lugs are formed eccentric or to one side of a center linethrough the check to guard against the presentation of check in otherthan the correct position, and that the radial teeth E shall engage theproper radial depressions J J 4 is a notch cut out fromthe outer edge ofthe check J, its position relative to a line drawn through the lugs J 3determining the delivery value of the check, and such value, in figuresdesignating the number of pounds, is stamped on the face of the check.

In operation suitable pipe connection is made between the pump A and theskimmilk tank of the creamery. When the new milk is delivered by apatron of the creamery, it is weighed and checks representing the weightof the quantity delivered are returned to such patron, who goes to theskim-milk pump and inserts one or more of the checks into thecheck-chute through aperture B In order to get the check into thecheck-chute, he must present it in such a position that the lugs J 3 liein the channel 1 and by this means the check always reaches themechanism in proper position to be acted upon. Upon its insertion intothe check-aperture the checkslides down the chute until its lower edgerests against the check-pin H The operator now draws back the pushenrodH, compressin g the spring I-l until the check-pin ceases to support thecheck, and it falls farther down the chute to a point where the lowerlug J 3 strikes against and rests upon the stop-pin 1 The descendingcheck having passed between the projections D and D comes to rest withits upper edge between those projections. The pusherrod H, now beingreleased, forces the check against the hub E of the ratchet-wheel E andthe radial depressions J 2 coincide with and are engaged by the teeth EThe check in this position bears against the projection D of thebifurcated lever D and thereby presses the latter backward against theaction of the spring D This pressure, by reason of the engagement of thepin D with the memberD of the lever D, withdraws the latter from thenotches A in the pump-rod, leaving the pump free to be operated. At eachstroke of the pump the friction-sleeve F is caused to move upward anddown ward with the pump-rod through a small distance, its movement beinglimited to a distance equal to the difference between its length and itsspace in the standard, after which movement the pump-rod slides throughthe sleeve. This distance is so arranged that at each upward movement ofthe pump-rod the spring-pawl F will be raised far enough to reach overand engage one tooth of the ratchet-wheel E, and on its downward movement to rotate that wheel the distance of one tooth, the spring-detent Gpreventing any accidental rotation of the wheel. The check engaged bythe teeth E" rotates with the ratchet-wheel until the notch J 4 isturned opposite the projection D into which notch that projection slips,permitting the springs D and D to oscillate the lever D into engagementwith one of the notches A in the pump-rod, locking the further action ofthe pump until the lever shall again be with drawn. Several checks maybe fed into the check-aperture, one after another, until the chute isfilled, and as the pusher-rod H is drawn back to admit another checkinto a position for engagement with the teeth E the check engaged bythose teeth will fall to the box-bottom free from the mechanism,providing its delivery has been exhausted. Otherwise its notch J willnot coincide with the projection D of the lever D, and the drawing backof the pusher-rod will only permit that projection to tilt the checkbackward, in which position the lower edge of the rim E presents anobstruction to the escape of the check, rendering it impossible for itto drop from its position until its work is done.

The inclined position of the check-chute is necessary to prevent thecheck falling through the mechanism without engagement upon itsintroduction therein. An examination of the drawings, and particularlyFigs. 6, 7, and 8, will make this plain, for it will be seen uponinspection that when the check first falls to the bottom of the chutethe lower edge of the rim, as well as the stop-pin 1 engaging with thelower one of the lugs J arrests its downward course at the propermoment. After the check has been rotated somewhat, however, this lugwill have been turned to such a position that it no longer engages thepin I when the pusher-rod is drawn back, but depends for its supportupon the inclined position which the pressure of the projection D of thedetent-lever causes it to assume, together with the fact that it is atall times grasped between three bearing-points, to witthe unyielding rimE at its lower edge, the pusherrod in the middle of its opposite face,and the projection D at its upper edge, the latter being spring-actuatedto maintain the contact of the lower edge with the rim E The object inmaking the lever D in two parts and providing a spring for each part isthat the forward portion thereof shall always be free to tilt the checkwhen the pressure of the pusher-rod is withdrawn, even though theopposite end of the lever D is resting upon a tooth of the stationarypump-rod and cannot enter one of the notches A, and as the check cannotfree itself from the mechanism unless it is released while in an uprightposition it cannot escape from its place until the lever D exerts nopressure to tilt it, and this occurs normally only when the projection Dcan enter the notch J and when the work of the check is done. Theforward portion D of the detent-lever stops against the face-plate 1 itsmovement in this direction being sufficient, however, to permit the armhaving the projection D to free the check from the teeth E and thereinto assist it in falling from the mechanism at the proper time.

Vhen there are several checks in the chute and one in operativeengagement with the mechanism, a withdrawal of the pusher-rod permitsall the checks in the chute to descend until the lower edge of the lowerone rests upon the arm D of the bifurcated member of the lever D or uponthe upper edge of the check in the mechanism if the pusher-rod is drawnback far enough, but upon releasing the rod the cheek-pin H entering theopening J of the lower check in the chute, raises it sufiiciently toclear the arm D and the weight of all the checks in the chute will thusbe borne by the check-pin.

The length of the check-pin II is sufficient to retain the nextsucceeding check in the chute an instant after the lately-engaged checkis released by the withdrawal of the pusher-rod, in order to permit thelatter check to free itself from the tooth E and escape before suchsucceeding check should be released, in order that there maybe noclogging of the checks.

1 have fitted the check-chute with a brass lining that the free passageof the check may not be impeded by rust on the walls of the chute.

In practice I have set the collar A at such a point on, the pump-rodthat striking against the top of the box B it limits the stroke of thepump to a delivery of about eighty-five per cent. of the face value ofthe check or checks, that being about the quantity of skim-milkremaining after the extraction of the butterfats.

For convenience I have used a pump having a delivery of two and one-halfpounds for each full stroke, this number being a multiple of any check,the lowest denomination being for ten pounds and increasing by thenumber to a check for two hundred pounds. Thus a ten-pound check willpermit four strokes of the pump, and if they were full strokes thedelivery would be ten pounds, but as the stroke has been restrictedfifteen per cent, a reduction for the butter-fats removed, the deliverywill be only eight and onehalf pounds of skim-milk and in likeproportion for any check inserted.

I claim 1. In a check-controlled delivery apparatus, in combination adelivery mechanism arranged to deliver a certain unit quantity at eachunit delivery and means for limitingthe unit deliveries to a numberrepresenting the delivery value of any one of two or more checks ortokens of different delivery values, substantially as and for thepurpose specified.

2. In a check-controlled delivery apparatus, in combination, a deliverymechanism arranged to deliver a certain adjustable quantity at each unitdelivery and means for limiting the unit deliveries toanumberrepresenting the delivery value of any one of two 01' more checksor tokens of different delivery values, substantially as and for thepurpose specified.

3. In a check-controlled delivery apparatus, in combination, a deliverymechanism and means for permitting any number of several prearrangeddelivery movements of the mechanism, determined by the form of the checkor token in control of the mechanism, substantially as and for thepurpose specified.

4:. In a check-controlled delivery apparatus, in combination, a deliverymechanism arranged to deliver by a series of partial delivery movementsand means for limiting the quantity delivered by the series to aquantity representing the delivery value of any one of two or morechecks or tokens of different delivery values, substantially as and forthe purpose specified.

5. In a check-controlled delivery apparatus, in combination, avolume-measuring mechanism, means for arresting the delivery when apredetermined quantity has been delivered, and means for bringing acheck or token into engagement with the arresting means to release thedelivery apparatus and by the position of a single release devicethereon, govern the time of releasing said arresting means to vary thedelivery, substantially as and for the purpose specified.

6. In a check-controlled delivery apparatus, in combination, a pump andmeans for limiting the number of the strokes thereof to a numberrepresenting the delivery value of any one of two or more checks ortokens of different delivery values, substantially as and for thepurpose specified.

7. In a delivery apparatus, the combination of a pump, mechanism forcontrolling the operation thereof and governing means therefor adaptedto be controlled by one of a number of checks or tokens and therebyvarying the delivery of the apparatus, substantially as and for thepurpose specified.

8. In a check-controlled delivery apparatus, in combination, adelivery-pump and means for limiting the operation of the pump, meansfor engaging a token with the limiting device and releasing the sameafter a period of operation dependingupon the position on the token of areleasing means for the limiting device, substantially as and for thepurpose specified.

9. In a check-controlled delivery apparatus, in combination, adelivery-pump, means for limiting the operation of the piston thereof,means for engaging a token with the limiting device and releasing thesame after a period of operation depending upon the position on thetoken of a releasing means for the limiting device, substantially as andfor the purpose specified.

10. In a check-controlled delivery apparatus, in combination, a deliverymechanism arranged to deliver a certain unit quantity at each unitdelivery, a detent, and means for withdrawing the detent to permit aseries of unit deliveries limited to the number representing thedelivery value of any one of two or more checks or tokens of differentdelivery values, substantially as and for the purpose specified.

11. In a check-controlled delivery apparatus, in combination, a deliverymechanism,

a detent for arresting the action thereof, a ratchet-Wheel rotated bythe delivery mechanism, means controlled by the ratchet-wheel forsuspending the engagement of the detent to permit a series of unitdeliveries limited to a number representing the delivery value of anyone of two or more checks or tokens of different delivery values,substantially as and for the purpose specified.

12. In a check-controlled delivery apparatus, in combination, a deliverymechanism, a detent for arresting the action of the delivery mechanism,a spring for the detent, a ratchet-wheel rotated by the movements of thedelivery mechanism, means controlled by the ratchet-wheel for suspendingthe engagement of the detent to permit a series of unit deliverieslimited to a number representing the delivery value of any one of two ormore checks ortokens of different delivery values, substantially as andfor the purpose specified.

13. In a check-controlled delivery apparatus, in combination, a pump, adetent for arresting the action thereof, a spring for holdin g thedetent in engagement, a ratchet-wheel rotated by the movements of thepump-rod, means controlled by the ratchet-Wheel for suspending theengagement of the detent to permit a delivery representing in quantitythe delivery value of any one of two or more checks or tokens ofdifferent delivery values, substantially as and for the purposespecified.

14. In a check-controlled delivery apparatus, in combination, a deliverymechanism, a two-part detent-lever for arresting the action thereof, acommon pivot for the two parts of the lever, a spring for each part, apin on one part for engaging the other part of the lever, means formoving the detent lever against the action of the springs, and means forreleasing the detent after a certain predetermined delivery,substantially as and for the purpose specified.

15. In a check-controlled.delivery apparatus, in combination, a pumphaving a notch in the pump-rod, a detent-lever for engaging the notch, aspring for holding the lever in engagement with the notch, aratchet-wheel, a friction-sleeve on the pump-rod, a pawl on the sleevefor engaging the ratchet-teeth, a hub for the ratchet-Wheel, radialteeth on the hub, and means for moving the detent-lever out ofengagement with the notch in the pump-rod, substantially as and for thepurpose specified.

16. In a check-controlled delivery apparatus, in combination, a pumphaving a notch in the pump-rod, a movable adjustable collar on thepump-rod, a detent-lever for engaging the notch, a spring for holdingthe lever in engagement with the notch, a ratchet-wheel, afriction-sleeve on the pump-rod, a pawl on the sleeve for engaging theratchet-wheel, a hub for the ratchet-wheel, radial teeth on the hub, apusher-rod, a spring for the pusherrod, a check-chute, and means formoving the detent-lever out of engagement with the having an eccentricprojection, and an opening near the edge of the disk, substantially asand for the purpose specified.

19. As a new article of manufacture, a check or token for coin-controlled apparatus, a disk having two eccentric lugs, a ring of radialdcpressions in its face, and a notch formed in its outer edge,substantially as and for the purpose specified.

IIOVVARD D. COLMAN.

\Vitnesses:

BURTON \V. Nomox, NELLIE BUNKER.

